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https://github.com/python-pillow/Pillow.git
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117 lines
3.6 KiB
Python
117 lines
3.6 KiB
Python
from __future__ import annotations
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import os
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import warnings
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from PIL import Image
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from .helper import assert_image_similar
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base = os.path.join("Tests", "images", "bmp")
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def get_files(d: str, ext: str = ".bmp") -> list[str]:
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return [
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os.path.join(base, d, f) for f in os.listdir(os.path.join(base, d)) if ext in f
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]
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def test_bad() -> None:
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"""These shouldn't crash/dos, but they shouldn't return anything
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either"""
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for f in get_files("b"):
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# Assert that there is no unclosed file warning
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with warnings.catch_warnings():
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warnings.simplefilter("error")
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try:
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with Image.open(f) as im:
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im.load()
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except Exception: # as msg:
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pass
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def test_questionable() -> None:
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"""These shouldn't crash/dos, but it's not well defined that these
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are in spec"""
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supported = [
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"pal8os2v2.bmp",
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"rgb24prof.bmp",
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"pal1p1.bmp",
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"pal4rletrns.bmp",
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"pal8offs.bmp",
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"rgb24lprof.bmp",
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"rgb32fakealpha.bmp",
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"rgb24largepal.bmp",
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"pal8os2sp.bmp",
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"pal8rletrns.bmp",
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"rgb32bf-xbgr.bmp",
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"rgba32.bmp",
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"rgb32h52.bmp",
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"rgba32h56.bmp",
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]
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for f in get_files("q"):
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try:
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with Image.open(f) as im:
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im.load()
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if os.path.basename(f) not in supported:
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print(f"Please add {f} to the partially supported bmp specs.")
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except Exception: # as msg:
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if os.path.basename(f) in supported:
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raise
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def test_good() -> None:
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"""These should all work. There's a set of target files in the
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html directory that we can compare against."""
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# Target files, if they're not just replacing the extension
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file_map = {
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"pal1wb.bmp": "pal1.png",
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"pal4rle.bmp": "pal4.png",
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"pal8-0.bmp": "pal8.png",
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"pal8rle.bmp": "pal8.png",
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"pal8topdown.bmp": "pal8.png",
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"pal8nonsquare.bmp": "pal8nonsquare-v.png",
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"pal8os2.bmp": "pal8.png",
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"pal8os2sp.bmp": "pal8.png",
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"pal8os2v2.bmp": "pal8.png",
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"pal8os2v2-16.bmp": "pal8.png",
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"pal8v4.bmp": "pal8.png",
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"pal8v5.bmp": "pal8.png",
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"rgb16-565pal.bmp": "rgb16-565.png",
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"rgb24pal.bmp": "rgb24.png",
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"rgb32.bmp": "rgb24.png",
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"rgb32bf.bmp": "rgb24.png",
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}
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def get_compare(f: str) -> str:
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name = os.path.split(f)[1]
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if name in file_map:
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return os.path.join(base, "html", file_map[name])
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name = os.path.splitext(name)[0]
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return os.path.join(base, "html", f"{name}.png")
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for f in get_files("g"):
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try:
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with Image.open(f) as im:
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im.load()
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with Image.open(get_compare(f)) as compare:
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compare.load()
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if im.mode == "P":
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# assert image similar doesn't really work
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# with paletized image, since the palette might
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# be differently ordered for an equivalent image.
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im = im.convert("RGBA")
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compare = im.convert("RGBA")
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assert_image_similar(im, compare, 5)
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except Exception as msg:
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# there are three here that are unsupported:
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unsupported = (
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os.path.join(base, "g", "rgb32bf.bmp"),
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os.path.join(base, "g", "pal8rle.bmp"),
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os.path.join(base, "g", "pal4rle.bmp"),
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)
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assert f in unsupported, f"Unsupported Image {f}: {msg}"
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